Home / 97,665,770.88-146,569,512.69-78,725,213.64

Finding the Fourth Proportional to 97,665,770.88, 146,569,512.69 and 78,725,213.64

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Solution

The fourth proportional to 97,665,770.88, 146,569,512.69 and 78,725,213.64 is: 118,144,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,665,770.88 : 146,569,512.69 = 78,725,213.64 : x
  2. Step 2: Convert to fraction form
    97,665,770.88/146,569,512.69 = 78,725,213.64/x
  3. Step 3: Cross multiply
    97,665,770.88x = 146,569,512.69 × 78,725,213.64
  4. Step 4: Simplify right side
    97,665,770.88x = 11,538,716,199,630,940
  5. Step 5: Solve for x
    x = 11,538,716,199,630,940/97,665,770.88
  6. Step 6: Final answer
    x = 118,144,935.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.